i am 40 y/o, 65kg, 5 4 . treated PTB year 1999, then because of pre-employment requirements, I found out today that my recent apicolordotic view/xray says, PTB minimal. Apicolordotic view show fibronodular densities in the right upper lobe. i am so worried. will i take medicines again for 6 months treatment? What does PTB minimal means? please enlighten me.